<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript">
			var score=prompt("请输入成绩：");
			console.log(typeof(score));
			alert("成绩为"+score);
		</script>
	</head>
	<body>
	</body>
</html>
